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Re: spoting the I/O hog
On Fri, Apr 03, 2009 at 08:07:24AM +0200, Emmanuel Dreyfus wrote:
> I have the machine that sometime get crushed under I/O. for some reason,
> an ipop3d process starts writing a lot:
> - systat io shows both components of a RAID 1 being 100% busy.
> - killing all ipop3d fixes restores I/O to normal.
> Apart from killing the processes one by one (there are many), is there a
> way to discover which process is the I/O hog?
ktrace them ?
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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